Source: U.S. Bureau of Labor Statistics
Labor input in private business and private nonfarm business is obtained by chained superlative Tornqvist aggregation of the hours at work by all persons, classified by age, education, and gender with weights determined by each group's share of the total wage.
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Source Indicator: MPU4900052
U.S. Bureau of Labor Statistics, Private Business Sector: Labor Input [MPU4900052], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/MPU4900052, December 14, 2018.